Combination of 17O and 13C NMR spectra of isomeric allyl and (Z)-propenyl ethers with their relative thermodynamic stabilities
✍ Scribed by Esko Taskinen
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- French
- Weight
- 399 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0040-4020
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✦ Synopsis
~The"ONMRclpectraoftenallyletherrROC~c~H,PndtboMol~iromerit (Z)_propenyl e&era ROCH=CHMe, where R ir an alkyl group or a Meamzbhituted alkyl group, were recorded in CDCZ solution. The difference in nO N?4R chemical ahi& between a prope~nyl ether and the iwneric ally1 ether, a. 50 to 60 ppm, depcsmh primari-lyonthenumbardMeOproupeattacbedto~aarbondtheRmoisty,andirrslated tothe&eqthofp-rcco+gationintbepropenylehem. Previous"CNMRshiRdata for the p ole5ic carbon of the prope& e&em and the thenaodsllpmie data of iaomerization of ally1 either9 to propenyl ether8 are dircuwd in view of their relation to the no NMRslliftdata.